A 25.0 mL aqueous sample of 0.220 M triethylamine, (CH3CH2)3N, where Kb = 5.2*10^-4 is titrated with 0.500 M HCl(aq).
1) What is the pH before any titrant has been added? (Show all work.)
2) What is the pH at the midpoint of the titration? (Show all work.)
3) What is the pH after a total of 8.0 mL of HCl has been added? (Show all work)
4) What is the pH at the equivalence point of the titration? (Show all work)
5) What is the pH after a total of 12.0 mL of HCl has been added? (Show all work)
6) Sketch the titration curve and label significant points.
A 25.0 mL aqueous sample of 0.220 M triethylamine, (CH3CH2)3N, where Kb = 5.2*10^-4 is titrated...
A 25.0 mL aqueous sample of 0.220 M triethylamine, (CH3CH2)3N, where Kb = 5.2x10^-4 is titrated with 0.500 M HCl(aq). 1) What is the pH before any titrant has been added? (Show all work.) 2) What is the pH at the midpoint of the titration? (Show all work.) 3) What is the pH after a total of 8.0 mL of HCl has been added? (Show all work) 4) What is the pH at the equivalence point of the titration? (Show...
Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2)3N (Kb = 5.2 × 10−4), with 0.1000 M HCl solution after the following additions of titrant. (a) 15.00 mL: pH = (b) 20.40 mL: pH = (c) 29.00 mL: pH =
Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2)3N (Kb = 5.2 × 10−4), with 0.1000 M HCl solution after the following additions of titrant. a) 12.00 mL b) 20.70 mL c) 30.00 mL
Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2)3N (Kb = 5.2 × 10−4), with 0.1000 M HCl solution after the following additions of titrant. (a) 15.00 mL: pH = (b) 20.40 mL: pH = (c) 29.00 mL: pH =
Find the pH during the titration of 20.00mL of 0.1000 M triethylamine, (CH3CH2)3N, (Kb = 5.2x10^-4) with 0.1000 M HCl solution after the following additions of titrant. 1.) 0 mL 2.) 10.00 mL 3.) 20.00 mL 4.) 25.00 mL
Consider the titration of 145 mL of 1.45 M triethylamine, (CH3CH2)3N (Kb = 4.0 x 10-4) with 0.25 M HCI. How many mL of HCI will need to be added to the triethylamine, (CH3CH2)3N solution to reach a pH of 10.60? A: 311 B: 374 OC: 395 OD: 420. OE: 542
Determine the pH during the titration of 39.9 mL of 0.349 M triethylamine ((C2H5)3N , Kb = 5.2×10-4) by 0.349 M HBr at the following points. (a) Before the addition of any HBr (b) After the addition of 17.7 mL of HBr (c) At the titration midpoint (d) At the equivalence point (e) After adding 61.0 mL of HBr
Determine the pH during the titration of 39.8 mL of 0.293 M triethylamine ((C2H5)3N, Kb = 5.2×10-4) by 0.293 M HI at the following points. (Assume the titration is done at 25 °C.) Note that state symbols are not shown for species in this problem. (a) Before the addition of any HI (b) After the addition of 16.2 mL of HI (c) At the titration midpoint (d) At the equivalence point (e) After adding 58.1 mL of HI
A 25.0 mL sample of 0.291 M triethylamine, (C2H5)3N, is titrated with 0.228 M hydroiodic acid. At the titration midpoint, the pH is ?
A 26.5 mL sample of 0.258 M triethylamine, (C2H5)3N, is titrated with 0.289 M hydroiodic acid. (1) Before the addition of any hydroiodic acid, the pH is (2) After adding 10.5 mL of hydroiodic acid, the pH is (3) At the titration midpoint, the pH is (4) At the equivalence point, the pH is (5) After adding 34.8 mL of hydroiodic acid, the pH is